html,body {
	height: 100%;
}

body {
	padding: 0;
	margin: 0;
}

#container {
	width: 50%;
	border: 1px solid black;
	min-height: 100%;
	margin: 0 auto;
}

#tool-header {
	background-color: #3B51AF;
	height: 30px;
}

#menu-header {
	height: 35px;
	background-color: #EEF0DA;
	border-bottom: 1px solid gray;
	
}

#menu-header img {
	height: 35px;
}

.menu-item {
	display: inline-block;
	height: 35px;
	margin-right: 15px;
	cursor: pointer;
	position: relative;
}

.menu-item>span {
	line-height: 35px;
	vertical-align: top;
}

.menu-item .drop-menu {
	display: none;
	border: 1px solid black;
	position: absolute;
	width: 100px;
	top: 36px;
	left: 0;
	z-index: 99999;
}

.menu-item:hover .drop-menu {
	display: inline;
}

.first-menu-option,
.second-menu-option,
.third-menu-option {
	font-weight: 600;
	cursor: pointer;
	text-align: center;
	padding: 5px 0;
	position: relative;
	background-color: #F8F3F0;
}

.third-menu-option {
	text-align: left;
	padding-left: 10px;
}

.first-menu-option:hover>span,
.second-menu-option:hover>span,
.third-menu-option:hover>span {
	color: #409EFF;
}

.menu-item .drop-menu .first-menu-option .drop-second-menu {
	display: none;
	border: 1px solid black;
	position: absolute;
	width: 100px;
	top: 0;
	left: 101px;
}

.menu-item .drop-menu>.first-menu-option:hover .drop-second-menu {
	display: inline;
}

.menu-item .drop-menu .first-menu-option .drop-second-menu .second-menu-option .drop-third-menu {
	display: none;
	border: 1px solid black;
	position: absolute;
	width: 150px;
	top: 0;
	left: 101px;
}

.menu-item .drop-menu .first-menu-option .drop-second-menu .second-menu-option:hover .drop-third-menu {
	display: inline;
}

#content {
	background-color: #F1F7F3;
	height: calc(100% - 66px);
}